10021426 has 8 divisors (see below), whose sum is σ = 15092784. Its totient is φ = 4990500.

The previous prime is 10021423. The next prime is 10021439. The reversal of 10021426 is 62412001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10021423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9480 + ... + 10483.

It is an arithmetic number, because the mean of its divisors is an integer number (1886598).

Almost surely, 2^10021426 is an apocalyptic number.

10021426 is a deficient number, since it is larger than the sum of its proper divisors (5071358).

10021426 is a wasteful number, since it uses less digits than its factorization.

10021426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20216.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 10021426 is about 3165.6635955199. The cubic root of 10021426 is about 215.5972289656.

Adding to 10021426 its reverse (62412001), we get a palindrome (72433427).

The spelling of 10021426 in words is "ten million, twenty-one thousand, four hundred twenty-six".